| 1. | an earth consisting chiefly of a hydrated oxide of iron and some oxide of manganese, used in its natural state as a brown pigment (raw umber) or, after heating, as a reddish-brown pigment (burnt umber). |
| 2. | the color of such a pigment; dark dusky brown or dark reddish brown. |
| 3. | Ichthyology. the European grayling, Thymallus thymallus. |
| 4. | North England Dialect. shade; shadow. |
| 5. | of the color umber. |
| 6. | to color with or as if with umber. |
